Integra DTR-8.2 Service Manual page 29

A
SCHEMATIC DIAGRAM 5-2
Power amp.section
N A A F - 7 2 3 2
1
- B 1
+ B 1
2
3
4
5
B
L
R 5 1 1 0 R 5 1 2 0
2 . 2 K 2 . 2 K
R 5 0 7 0
5 4 . 2 V
1 0 0 K ( 5 3 . 8 V )
Q 5 0 4 0
5 4 . 2 V
C 5 1 2 0
1 0 0 / 1 0 0
Q 5 0 0 0 Q 5 0 1 0
C 5 0 0 0
R 5 0 0 0
R 5 0 9 0
1 0 0 / 6 3
1 K
1 . 8 K
C 5 0 1 0 R 5 0 2 0
R 5 0 1 0
R 5 0 4 0
3 3 0
1 0 1 K R 5 0 3 0
3 3 0
5 6 K C 5 0 4 0
3 3 0
- 0 . 9 V
2 2 0 / 1 6
C 5 1 3 0 R 5 0 5 0
1 0 0 / 1 0 0 5 . 6 K
5 0 . 6 V
Q 5 0 2 0
( 4 9 . 6 V )
- 5 1 . 2 V
R 5 2 9 0 ( - 5 0 . 2 V )
C 5 0 5 0
1 0 / 5 0 1 0 0 K D 5 0 0 0 R 5 0 6 0
M T Z J 5 . 6 B 2 . 7 K
R
R 5 1 1 1 R 5 1 2 1
2 . 2 K 2 . 2 K
R 5 0 7 1
5 4 . 2 V
1 0 0 K
Q 5 0 4 1
5 4 . 2 V
C 5 1 2 1
1 0 0 / 1 0 0
Q 5 0 0 1 Q 5 0 1 1
C 5 0 0 1
R 5 0 0 1
R 5 0 9 1
1 0 0 / 6 3
1 K
1 . 8 K
C 5 0 1 1 R 5 0 2 1
R 5 0 1 1
3 3 0
R 5 0 4 1
1 0 1 K
R 5 0 3 1
3 3 0
5 6 K C 5 0 4 1
3 3 0
- 0 . 9 V
2 2 0 / 1 6
C 5 1 3 1 R 5 0 5 1
1 0 0 / 1 0 0 5 . 6 K
Q 5 0 2 1
5 0 . 6 V
- 5 1 . 2 V
( - 5 0 . 2 V )
C 5 0 5 1 R 5 2 9 1
1 0 / 5 0 1 0 0 K D 5 0 0 1 R 5 0 6 1
M T Z J 5 . 6 B 2 . 7 K
C
R 5 1 1 2 R 5 1 2 2
2 . 2 K 2 . 2 K
R 5 0 7 2
5 4 . 2 V
1 0 0 K
Q 5 0 4 2
5 4 . 2 V
C 5 1 2 2
1 0 0 / 1 0 0
Q 5 0 0 2 Q 5 0 1 2
C 5 0 0 2
R 5 0 0 2
R 5 0 9 2
4 7 / 5 0
1 K
1 . 8 K
R 5 0 2 2
C 5 0 1 2 R 5 0 1 2
R 5 0 4 2
3 3 0
2 2 1 K
R 5 0 3 2
3 3 0
5 6 K C 5 0 4 2
3 3 0
- 0 . 9 V
2 2 0 / 1 6
C 5 1 3 2 R 5 0 5 2
1 0 0 / 1 0 0 5 . 6 K
5 0 . 6 V
Q 5 0 2 2
R 5 2 9 2 - 5 1 . 2 V
C 5 0 5 2
1 0 / 5 0 1 0 0 K D 5 0 0 2 R 5 0 6 2
M T Z J 5 . 6 B 2 . 7 K
S E M I C O N D U C T O R S
N O .
Q 5 0 0 0 - 0 6 , 5 0 1 0 - 1 6
Q 5 0 2 0 - 2 6
Q 5 0 3 0 - 3 6 , 5 0 4 0 - 4 6 , 5 0 5 0 - 5 6 , 5 0 7 0 - 7 6
Q 5 0 6 0 - 6 6 , 5 0 8 0 - 8 6
N O T E
.
T H E C O M P O N E N T S I D E N T F I E D B Y
R E P L A C E O N L Y W I T H P A R T N U M B E R S P E C I F I E D .
. V O L T A G E ( M E A S U R E D W I T H V O L T M E T E R )I S D C V O L T A G E .( N O I N P U T S I G N A L )
. E L E C T R O L Y T I C C A P A C I T O R S (
. A L L C A P A C I T O R S A R E I N p F / 5 0 W V U N L E S S O T H E R W I S E N O T E D .
E X ) 0 3 0 3 p F 3 3 0 3 3 p F 3 3 1 3 3 0 p F 3 3 3 0 . 0 3 3 u F
.
A L L R E S I S T O R S A R E I N O H M S 1 / 4 W A T T S U N L E S S O T H E R W I S E N O T E D .
. T H E T H I C K L I N E S O N P C B O A R D A R E T H E P R I N T I N G S I D E O F T H E P A R T S .
E X ) P R I N T I N G S I D E
.
C I R C U I T I S S U B J E C T T O C H A N G E F O R I M P R O V E M E N T .
C
R 5 3 0 0
R 5 1 4 0 R 5 1 3 0 R 5 1 8 0
1 0 0( 1 / 2 W )
8 2 0 8 2 0 3 3
( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W ) 5 5 . 4 V
5 4 . 8 V
5 4 . 8 V
Q 5 0 5 0
Q 5 0 3 0 R 5 2 1 0
C 5 0 7 0
C 5 1 1 0
1 0 / 1 0 0
0 5 0 D
1 8 K
- 3 8 . 6 V
- 3 8 . 9 V
R 5 1 5 0
R 5 2 8 0 1 0 K
1 0 K ( 1 / 2 W )
C 5 1 0 0
C 5 0 9 0
( 1 / 2 W )
4 7 / 5 0 1 0 1 K
C 5 0 8 0 R 5 2 2 0
2 2 / 6 3 1 8 K
Q 5 0 8 0
- 5 4 . 8 V
- 5 5 . 4 V
R 5 1 7 0
R 5 1 6 0
8 2 0
1 K R 5 3 3 0
( 1 / 2 W )
( 1 / 2 W ) 1 0 0( 1 / 2 W )
R 5 3 0 1
R 5 1 4 1 R 5 1 3 1 R 5 1 8 1
1 0 0( 1 / 2 W )
8 2 0 8 2 0 3 3
( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W ) 5 5 . 4 V
5 4 . 8 V
5 4 . 8 V
Q 5 0 5 1
Q 5 0 3 1
C 5 1 1 1
C 5 0 7 1 R 5 2 1 1
- 3 8 . 6 V 0 5 0 D
1 0 / 1 0 0 1 8 K
( - 3 7 . 6 V )
- 3 8 . 9 V
R 5 1 5 1
R 5 2 8 1 1 0 K
1 0 K ( 1 / 2 W )
C 5 1 0 1
C 5 0 9 1
( 1 / 2 W )
4 7 / 5 0 1 0 1 K
C 5 0 8 1 R 5 2 2 1
2 2 / 6 3 1 8 K
Q 5 0 8 1
- 5 4 . 8 V
- 5 5 . 4 V
R 5 1 7 1
R 5 1 6 1
8 2 0
1 K R 5 3 3 1
( 1 / 2 W )
( 1 / 2 W ) 1 0 0( 1 / 2 W )
R 5 3 0 2
R 5 1 4 2 R 5 1 3 2 R 5 1 8 2
1 0 0( 1 / 2 W )
8 2 0 8 2 0 3 3
( 1 / 2 W ) ( 1 / 2 W ) ( 1 / 2 W ) 5 5 . 4 V
5 4 . 8 V
5 4 . 8 V
Q 5 0 5 2
Q 5 0 3 2
C 5 1 1 2
C 5 0 7 2
R 5 2 1 2
1 0 / 1 0 0
0 5 0 D
1 8 K
- 3 8 . 6 V
- 3 8 . 9 V
R 5 1 5 2
R 5 2 8 2 1 0 K
1 0 K ( 1 / 2 W )
C 5 1 0 2
C 5 0 9 2
( 1 / 2 W )
4 7 / 5 0 1 0 1 K
C 5 0 8 2 R 5 2 2 2
2 2 / 6 3 1 8 K
Q 5 0 8 2
- 5 4 . 8 V
- 5 5 . 4 V
R 5 1 7 2
R 5 1 6 2
8 2 0
1 K R 5 3 3 2
( 1 / 2 W )
( 1 / 2 W ) 1 0 0( 1 / 2 W )
K T C 3 2 0 0 - B L O R 2 S C 1 7 7 5 A - E , F O R 2 S C 1 8 4 5 - E
K T C 3 2 0 0 - B L O R 2 S C 1 7 7 5 A - E , F O R 2 S C 1 8 4 5 - E
K T A 1 0 2 4 - Y , O O R 2 S A 9 4 9 - Y , O
K T C 3 2 0 6 - Y , O O R 2 S C 2 2 2 9 - Y , O
M A R K A R E C R I T I C A L F O R S A F E T Y .
) A R E I N u F / W V .
DTR-8.2
D
U6
5 6 . 2 V
R 5 2 3 0
1 5
( 1 / 2 W )
1 . 2 V
N F
N F
R 5 2 5 0 B +
5 6 K
B -
- 1 . 2 V
R 5 2 4 0
1 5
- 5 6 . 2 V
( 1 / 2 W )
5 6 . 2 V
R 5 2 3 1
1 5
( 1 / 2 W )
1 . 2 V
N F
N F
R 5 2 5 1
B +
5 6 K
B -
- 1 . 2 V
R 5 2 4 1
1 5
- 5 6 . 2 V
( 1 / 2 W )
5 6 . 2 V
R 5 2 3 2
1 5
( 1 / 2 W )
1 . 2 V
N F
N F
R 5 2 5 2 B +
5 6 K
B -
- 1 . 2 V
R 5 2 4 2
1 5
- 5 6 . 2 V
( 1 / 2 W )